At 40°c, the ion-product constant of water, kw, is 2.88×10-14. what is the ph of pure water at 40°c?

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Will mark brainliest how many electrons can be held in the energy level n = 4?